Forces and Machines

What's the name of the fixed point on a lever?

(red triangle in the picture)

• Force

• Load

• Fulcrum

• Effort

Force is ....

• a pull that acts in an object

• a push that acts in an object

• a push or a pull in a particular direction in an object or a person

• a push or a pull in a particular direction only in an object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Choose the CONTACT FORCES

• Gravity

• Buoyancy

• Friction

• Electrostatic

Tags

NGSS.MS-PS2-1

Choose the NON-CONTACT FORCES

• Gravity

• Buoyancy

• Friction

• Magnetism

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What force is represented in the picture?

• Applied force

• Buoyant force

• Gravitational force

• Frictional force

Tags

NGSS.MS-PS2-4

What force is represented in the picture?

• Applied force

• Buoyant force

• Gravitational force

• Frictional force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is going to happen?

• They will repel

• They will attract

• NOTHING

This slide is an example of a(n) ....

• ... inclined plane

• ... lever

• ... pulley

• ...a wedge

Tags

NGSS.MS-PS2-2

There are...types of simple machines

• 2

• 4

• 6

• 8

This corkscrew is an example of a(n)...

• Inclined plane and wedge

• Wheel and axle

• Lever and screw

• Pulley and lever